/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 10:50:34,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 10:50:34,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 10:50:34,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 10:50:34,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 10:50:34,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 10:50:34,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 10:50:34,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 10:50:34,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 10:50:34,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 10:50:34,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 10:50:34,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 10:50:34,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 10:50:34,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 10:50:34,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 10:50:34,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 10:50:34,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 10:50:34,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 10:50:34,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 10:50:34,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 10:50:34,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 10:50:34,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 10:50:34,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 10:50:34,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 10:50:34,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 10:50:34,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-02-19 10:50:34,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 10:50:34,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 10:50:34,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 10:50:34,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 10:50:34,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 10:50:34,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 10:50:34,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 10:50:34,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 10:50:34,658 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 10:50:34,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 10:50:34,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 10:50:34,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 10:50:34,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 10:50:34,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 10:50:34,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 10:50:34,661 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 10:50:34,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 10:50:34,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 10:50:34,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 10:50:34,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 10:50:34,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 10:50:34,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 10:50:34,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 10:50:34,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 10:50:34,926 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 10:50:34,930 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 10:50:34,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2022-02-19 10:50:34,932 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2022-02-19 10:50:34,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 10:50:34,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 10:50:34,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 10:50:34,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 10:50:34,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 10:50:34,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,978 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 10:50:34,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 10:50:34,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 10:50:34,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 10:50:34,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 10:50:34,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:34,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 10:50:34,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 10:50:34,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 10:50:34,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 10:50:34,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/1) ... [2022-02-19 10:50:35,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 10:50:35,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:50:35,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 10:50:35,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 10:50:35,065 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 10:50:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 10:50:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 10:50:35,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 10:50:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 10:50:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 10:50:35,066 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 10:50:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 10:50:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 10:50:35,067 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 10:50:35,100 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 10:50:35,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 10:50:35,237 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 10:50:35,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 10:50:35,244 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 10:50:35,245 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:50:35 BoogieIcfgContainer [2022-02-19 10:50:35,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 10:50:35,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 10:50:35,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 10:50:35,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 10:50:35,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:34" (1/2) ... [2022-02-19 10:50:35,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513150b6 and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:50:35, skipping insertion in model container [2022-02-19 10:50:35,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:50:35" (2/2) ... [2022-02-19 10:50:35,274 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2.wvr.bpl [2022-02-19 10:50:35,278 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 10:50:35,278 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 10:50:35,278 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 10:50:35,278 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 10:50:35,330 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 10:50:35,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 10:50:35,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:50:35,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 10:50:35,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 10:50:35,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 10:50:35,467 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-02-19 10:50:35,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 10:50:39,921 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 15312 transitions and produced 8103 states. [2022-02-19 10:50:39,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:50:39,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:50:39,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1102725306, now seen corresponding path program 1 times [2022-02-19 10:50:39,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:50:39,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504665263] [2022-02-19 10:50:39,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:50:39,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:50:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:50:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 44666 backedges. 893 proven. 0 refuted. 0 times theorem prover too weak. 43773 trivial. 0 not checked. [2022-02-19 10:50:40,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:50:40,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504665263] [2022-02-19 10:50:40,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504665263] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 10:50:40,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 10:50:40,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 10:50:40,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748736945] [2022-02-19 10:50:40,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 10:50:40,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 10:50:40,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 10:50:40,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 10:50:40,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 10:50:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:50:40,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 10:50:40,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 10:50:40,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:50:43,254 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7925 transitions and produced 4099 states. [2022-02-19 10:50:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:50:43,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 10:50:43,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:50:43,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:50:43,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1301629812, now seen corresponding path program 2 times [2022-02-19 10:50:43,257 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:50:43,257 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612094665] [2022-02-19 10:50:43,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:50:43,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:50:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:50:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6896 backedges. 3257 proven. 0 refuted. 0 times theorem prover too weak. 3639 trivial. 0 not checked. [2022-02-19 10:50:43,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:50:43,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612094665] [2022-02-19 10:50:43,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612094665] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 10:50:43,433 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 10:50:43,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 10:50:43,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503974850] [2022-02-19 10:50:43,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 10:50:43,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 10:50:43,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 10:50:43,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 10:50:43,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 10:50:43,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:50:43,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 10:50:43,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 10:50:43,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:50:43,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:50:44,556 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2874 transitions and produced 2031 states. [2022-02-19 10:50:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:50:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:50:44,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 10:50:44,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:50:44,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:50:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash 989493087, now seen corresponding path program 3 times [2022-02-19 10:50:44,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:50:44,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074575832] [2022-02-19 10:50:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:50:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:50:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:50:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 599 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 10:50:47,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:50:47,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074575832] [2022-02-19 10:50:47,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074575832] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 10:50:47,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421016325] [2022-02-19 10:50:47,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 10:50:47,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:50:47,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:50:47,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 10:50:47,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 10:50:47,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 62 check-sat command(s) [2022-02-19 10:50:47,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 10:50:47,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 98 conjunts are in the unsatisfiable core [2022-02-19 10:50:47,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 10:50:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 599 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 10:50:49,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 10:50:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 10:50:55,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421016325] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 10:50:55,814 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 10:50:55,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79, 97] total 175 [2022-02-19 10:50:55,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570101816] [2022-02-19 10:50:55,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 10:50:55,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2022-02-19 10:50:55,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 10:50:55,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2022-02-19 10:50:55,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13438, Invalid=17362, Unknown=0, NotChecked=0, Total=30800 [2022-02-19 10:50:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:50:55,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 10:50:55,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 5.340909090909091) internal successors, (940), 175 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 10:50:55,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:50:55,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:50:55,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:51:15,303 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2680 transitions and produced 2185 states. [2022-02-19 10:51:15,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:51:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:51:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-19 10:51:15,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 10:51:15,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 10:51:15,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:51:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:51:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1895638228, now seen corresponding path program 4 times [2022-02-19 10:51:15,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:51:15,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995066813] [2022-02-19 10:51:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:51:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:51:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:51:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 30625 proven. 11881 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 10:51:26,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:51:26,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995066813] [2022-02-19 10:51:26,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995066813] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 10:51:26,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748149204] [2022-02-19 10:51:26,219 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 10:51:26,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:51:26,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:51:26,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 10:51:26,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 10:51:26,464 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 10:51:26,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 10:51:26,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 150 conjunts are in the unsatisfiable core [2022-02-19 10:51:26,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 10:51:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 26379 proven. 11881 refuted. 0 times theorem prover too weak. 4246 trivial. 0 not checked. [2022-02-19 10:51:28,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 10:51:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 26379 proven. 11881 refuted. 0 times theorem prover too weak. 4246 trivial. 0 not checked. [2022-02-19 10:51:36,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748149204] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 10:51:36,715 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 10:51:36,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 149, 149] total 266 [2022-02-19 10:51:36,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615170056] [2022-02-19 10:51:36,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 10:51:36,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 267 states [2022-02-19 10:51:36,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 10:51:36,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 267 interpolants. [2022-02-19 10:51:36,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18195, Invalid=52827, Unknown=0, NotChecked=0, Total=71022 [2022-02-19 10:51:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:51:36,734 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 10:51:36,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 267 states, 267 states have (on average 4.99625468164794) internal successors, (1334), 266 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 10:51:36,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:51:36,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:51:36,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-19 10:51:36,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:52:02,552 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 40455 transitions and produced 20034 states. [2022-02-19 10:52:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:52:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:52:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-19 10:52:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-02-19 10:52:02,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 10:52:02,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:52:02,754 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:52:02,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:52:02,755 INFO L85 PathProgramCache]: Analyzing trace with hash 211959679, now seen corresponding path program 5 times [2022-02-19 10:52:02,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:52:02,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258392184] [2022-02-19 10:52:02,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:52:02,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:52:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:52:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 47888 proven. 36008 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 10:52:20,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:52:20,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258392184] [2022-02-19 10:52:20,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258392184] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 10:52:20,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893403601] [2022-02-19 10:52:20,766 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 10:52:20,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:52:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:52:20,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 10:52:20,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 10:52:21,277 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 124 check-sat command(s) [2022-02-19 10:52:21,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 10:52:21,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 256 conjunts are in the unsatisfiable core [2022-02-19 10:52:21,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 10:52:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 35589 proven. 48097 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-02-19 10:52:26,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 10:52:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 35589 proven. 48121 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-02-19 10:52:45,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893403601] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 10:52:45,233 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 10:52:45,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [257, 243, 255] total 410 [2022-02-19 10:52:45,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815220511] [2022-02-19 10:52:45,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 10:52:45,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 411 states [2022-02-19 10:52:45,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 10:52:45,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 411 interpolants. [2022-02-19 10:52:45,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46845, Invalid=121665, Unknown=0, NotChecked=0, Total=168510 [2022-02-19 10:52:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:52:45,257 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 10:52:45,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 411 states, 411 states have (on average 5.226277372262774) internal successors, (2148), 410 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 10:52:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:52:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:52:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-02-19 10:52:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-02-19 10:52:45,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:53:56,737 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4066 transitions and produced 3133 states. [2022-02-19 10:53:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:53:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:53:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-19 10:53:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-02-19 10:53:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2022-02-19 10:53:56,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 10:53:56,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:53:56,938 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:53:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:53:56,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1336067508, now seen corresponding path program 6 times [2022-02-19 10:53:56,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:53:56,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348565996] [2022-02-19 10:53:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:53:56,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:53:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:53:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 20008 refuted. 0 times theorem prover too weak. 66520 trivial. 0 not checked. [2022-02-19 10:53:59,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:53:59,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348565996] [2022-02-19 10:53:59,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348565996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 10:53:59,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884765262] [2022-02-19 10:53:59,114 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 10:53:59,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:53:59,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:53:59,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 10:53:59,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 10:53:59,716 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 117 check-sat command(s) [2022-02-19 10:53:59,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 10:53:59,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 283 conjunts are in the unsatisfiable core [2022-02-19 10:53:59,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 10:54:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 43264 refuted. 0 times theorem prover too weak. 43264 trivial. 0 not checked. [2022-02-19 10:54:08,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 10:54:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 19735 refuted. 0 times theorem prover too weak. 66793 trivial. 0 not checked. [2022-02-19 10:54:19,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884765262] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 10:54:19,157 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 10:54:19,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 142, 5] total 152 [2022-02-19 10:54:19,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621681442] [2022-02-19 10:54:19,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 10:54:19,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2022-02-19 10:54:19,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 10:54:19,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2022-02-19 10:54:19,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=22802, Unknown=0, NotChecked=0, Total=23256 [2022-02-19 10:54:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:54:19,162 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 10:54:19,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 5.052287581699346) internal successors, (773), 152 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 10:54:19,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:54:19,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:54:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-02-19 10:54:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-02-19 10:54:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2022-02-19 10:54:19,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 10:56:22,097 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62119 transitions and produced 32566 states. [2022-02-19 10:56:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:56:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 10:56:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-19 10:56:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-02-19 10:56:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2022-02-19 10:56:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2022-02-19 10:56:22,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 10:56:22,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:56:22,299 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 10:56:22,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:56:22,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1105458203, now seen corresponding path program 7 times [2022-02-19 10:56:22,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:56:22,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47078350] [2022-02-19 10:56:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:56:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:56:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:59:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1432092 backedges. 1294396 proven. 137105 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-02-19 10:59:10,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 10:59:10,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47078350] [2022-02-19 10:59:10,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47078350] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 10:59:10,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130634772] [2022-02-19 10:59:10,876 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 10:59:10,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 10:59:10,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:59:10,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 10:59:10,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 10:59:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 10:59:14,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 7236 conjuncts, 1033 conjunts are in the unsatisfiable core [2022-02-19 10:59:14,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 10:59:23,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1432092 backedges. 1294396 proven. 137105 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-02-19 10:59:23,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-19 11:02:07,888 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:02:07,893 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-19 11:02:07,899 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:02:07,899 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:02:07,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 11:02:08,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:02:08,104 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1455 known predicates. [2022-02-19 11:02:08,106 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 11:02:08,106 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 11:02:08,111 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-02-19 11:02:08,113 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 11:02:08,113 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 11:02:08,115 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:02:08 BasicIcfg [2022-02-19 11:02:08,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 11:02:08,116 INFO L158 Benchmark]: Toolchain (without parser) took 693164.47ms. Allocated memory was 185.6MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 144.2MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-19 11:02:08,116 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 11:02:08,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.09ms. Allocated memory is still 185.6MB. Free memory was 144.1MB in the beginning and 142.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 11:02:08,117 INFO L158 Benchmark]: Boogie Preprocessor took 13.50ms. Allocated memory is still 185.6MB. Free memory was 142.6MB in the beginning and 141.7MB in the end (delta: 936.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 11:02:08,117 INFO L158 Benchmark]: RCFGBuilder took 249.91ms. Allocated memory is still 185.6MB. Free memory was 141.6MB in the beginning and 132.8MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 11:02:08,117 INFO L158 Benchmark]: TraceAbstraction took 692868.91ms. Allocated memory was 185.6MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 132.2MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-19 11:02:08,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.09ms. Allocated memory is still 185.6MB. Free memory was 144.1MB in the beginning and 142.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.50ms. Allocated memory is still 185.6MB. Free memory was 142.6MB in the beginning and 141.7MB in the end (delta: 936.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 249.91ms. Allocated memory is still 185.6MB. Free memory was 141.6MB in the beginning and 132.8MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 692868.91ms. Allocated memory was 185.6MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 132.2MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1455 known predicates. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1455 known predicates. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1455 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 692.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 247.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1611, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 93.9s InterpolantComputationTime, 9675 NumberOfCodeBlocks, 9675 NumberOfCodeBlocksAsserted, 310 NumberOfCheckSat, 13885 ConstructedInterpolants, 0 QuantifiedInterpolants, 95833 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5956 ConjunctsInSsa, 787 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 482934/735643 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown